Hi, I'm having problem with Open MPI version 1.10.2. I've installed two virtual machines on VirtualBox, both are the same images of Ubuntu 12.04 64bit. Both have the same accounts, both have everything configured almost exactly the same. I have configured OMPI only with the --prefix to specify my location of install folder which is /home/$USER/.openmpi. Users on both machines are identical.
On both machines running mpirun on one of the example programs work perfectly, on both machines I've added bin and lib to corresponding PATHs, env command ran on master and through ssh on slave1 gives these results: osboxes@osboxes:~/cloud$ env | grep PATH LD_LIBRARY_PATH=:/usr/local/lib:/usr/local/lib:/home/osboxes/.openmpi/lib PATH=/usr/lib/lightdm/lightdm:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/bin:/usr/local/bin:/home/osboxes/.openmpi/bin On both hosts I have installed ssh which works, I've enabled passwordless connection, which again, works, I have created an NFS folder in which I hold the hello_c program from examples and hosts file that looks like this: 192.168.0.191 master 192.168.0.190 slave1 The same two lines are placed in /etc/hosts for ssh to work. On both machines, running: osboxes@osboxes:~/cloud$ mpirun -np 1 ./hello_c Hello, world, I am 0 of 1, (Open MPI v1.10.2, package: Open MPI osboxes@osboxes Distribution, ident: 1.10.2, repo rev: v1.10.1-145-g799148f, Jan 21, 2016, 126) Works, even running this command on slave1 through ssh from master works as expected. Yet when I try to execute the following command I get the error: osboxes@osboxes:~/cloud$ mpirun -np 2 --hostfile hosts ./hello_c bash: orted: command not found -------------------------------------------------------------------------- ORTE was unable to reliably start one or more daemons. This usually is caused by: * not finding the required libraries and/or binaries on one or more nodes. Please check your PATH and LD_LIBRARY_PATH settings, or configure OMPI with --enable-orterun-prefix-by-default * lack of authority to execute on one or more specified nodes. Please verify your allocation and authorities. * the inability to write startup files into /tmp (--tmpdir/orte_tmpdir_base). Please check with your sys admin to determine the correct location to use. * compilation of the orted with dynamic libraries when static are required (e.g., on Cray). Please check your configure cmd line and consider using one of the contrib/platform definitions for your system type. * an inability to create a connection back to mpirun due to a lack of common network interfaces and/or no route found between them. Please check network connectivity (including firewalls and network routing requirements). -------------------------------------------------------------------------- The same happens when I use -host master,slave1 instead of --hostfile hosts. I'm slowly running out if ideas, I've tried anything I could find on the internet or OMPI FAQ, nothing seems to work. What am I doing wrong?
